This thesis studied the modulation and demodulation technology of CDMA by comparing several technologies.
本文主要研究了CDMA技术中调制解调方法的选取与比较。
2
The error correcting and decoding, interleave and and DMT modulation and demodulation are analyzed in detail.
分析了信道编译码方法、 交织与解交织及DMT调制与解调等关键技术。
3
Finally, the antenna, ASK modulation, power supply of the tag, load impedance modulation, demodulation, power supply sensor and HF power amplifier were realized.